| Wed25 Apr2018 |
|  | 14:15 | Cricket U13A | v Dr Challoner's Grammar School | A |
|  | 14:30 | Rounders U13A | v Kingshott Preparatory School | H |
| |
| Thu26 Apr2018 |
|  | 16:00 | Tennis U15A | v Watford Grammar School for Boys | H |
| |
| Fri27 Apr2018 |
| | 14:30 | Cricket U13A | v Beechwood Park School | H |
| | 16:00 | Cricket U14A | v Rickmansworth School | H |
| |
| Sat28 Apr2018 |
| | 09:30 | Rounders U15A, U14A, U14B | v St Edmund's College, Ware | A |
| | 10:00 | Cricket U15A | v St Edmund's College, Ware | A |
| | 10:00 | Cricket 2nd XI, U14A | v St Edmund's College, Ware | H |
| |
| Sun29 Apr2018 |
| | 10:00 | Cricket 1st XI | v HMC T20 competition | A |
| |
| Tue1 May2018 |
| | 14:15 | Rounders U15A, U14A | v Immanuel College | H |
| | 14:30 | Cricket 1st XI | v The John Lyon School | A |
| | 14:30 | Cricket U14A, U14B | v The John Lyon School | H |
| | 15:30 | Cricket U15A, U15B | v The John Lyon School | A |
| |
| Wed2 May2018 |
| | 14:00 | Cricket U13A, U12A | v Highgate School | H |
| | 14:30 | Rounders U13A, U13B, U12A | v Haileybury | A |
| |
| Fri4 May2018 |
| | 13:30 | Cricket U13A | v Dame Alice Owens School | H |
| | 14:15 | Cricket U12A | v The Haberdashers' Aske's Boys' School | A |
| |
| Tue8 May2018 |
| | 14:00 | Cricket 1st XI, U14B | v Westminster School | A |
| | 14:00 | Cricket 2nd XI, U15A, U14A | v Westminster School | H |
| | 14:30 | Rounders U17A, U15A | v Haileybury | A |
| | 16:00 | Tennis U13A, U13B | v Watford Grammar School for Boys | H |
| |
| Wed9 May2018 |
| | 14:15 | Rounders U13A, U13B, U12A | v Bishop's Stortford College | H |
| | 16:15 | Cricket U13A, U13A | v The Haberdashers' Aske's Boys' School | A |
| |
| Thu10 May2018 |
| | 16:00 | Tennis U13A | v Longdean School | H |
| |
| Fri11 May2018 |
| | 15:25 | Cricket U13A, U12A | v Orley Farm School | A |
| |
| Sat12 May2018 |
| | 11:00 | Cricket 2nd XI | v New Hall School | A |
| | 11:00 | Cricket 1st XI, U14A, U14B | v New Hall School | H |
| |
| Tue15 May2018 |
| | 14:00 | Cricket 1st XI, 2nd XI, 3rd XI | v Haileybury | A |
| | 14:15 | Rounders U18A, U17A, U15A, U14A, U14B | v Bishop's Stortford College | A |
| | 14:30 | Cricket U14A, U14B | v The Haberdashers' Aske's Boys' School | H |
| | 16:15 | Cricket U15A, U15B | v The Haberdashers' Aske's Boys' School | A |
| |
| Wed16 May2018 |
| | 16:00 | Tennis U15A | v Kings Langley School | H |
| | 16:30 | Cricket U12A | v St Columba's College | H |
| |
| Thu17 May2018 |
| | 16:00 | Tennis U13A | v Roundwood Park School | H |
| |
| Fri18 May2018 |
| | 14:30 | Cricket U12A | v RGS, High Wycombe | H |
| | 16:00 | Cricket 2nd XI | v Highgate School | H |
| |
| Sat19 May2018 |
| | 09:30 | Rounders U15A, U14A, U14B | v St Helen's School | H |
| | 11:00 | Cricket U14A | v Highgate School | A |
| | 11:00 | Cricket 1st XI, U15A, U15B | v Highgate School | H |
| | 14:00 | Cricket U14B | v Highgate School | A |
| |
| Tue22 May2018 |
| | 14:30 | Cricket U14A, U14B | v John Hampden Grammar School | H |
| |
| Wed23 May2018 |
| | 14:15 | Cricket U12A | v Dame Alice Owens School | A |
| | 16:00 | Rounders U13A, U12A | v The Royal Masonic School for Girls | A |
| |
| Thu24 May2018 |
| | 17:00 | Cricket U12A | v Eastcote invitational XI | H |
